xref: /onnv-gate/usr/src/uts/common/io/ib/mgt/ibmf/ibmf_mod.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * This file implements the _init(9e), _info(9e) and _fini(9e) functions.
31*0Sstevel@tonic-gate  */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include <sys/ib/mgt/ibmf/ibmf_impl.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /* Module Info */
36*0Sstevel@tonic-gate static struct modlmisc ibmf_modlmisc = {
37*0Sstevel@tonic-gate 	&mod_miscops,
38*0Sstevel@tonic-gate 	"IB Agent Interfaces 2.0"
39*0Sstevel@tonic-gate };
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate /* Module linkage */
42*0Sstevel@tonic-gate static struct modlinkage ibmf_modlinkage = {
43*0Sstevel@tonic-gate 	MODREV_1,
44*0Sstevel@tonic-gate 	&ibmf_modlmisc,
45*0Sstevel@tonic-gate 	NULL
46*0Sstevel@tonic-gate };
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate static ibmf_state_t		ibmf_state;
49*0Sstevel@tonic-gate ibmf_state_t			*ibmf_statep;
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate extern int ibmf_init();
52*0Sstevel@tonic-gate extern int ibmf_fini();
53*0Sstevel@tonic-gate extern int ibmf_saa_impl_init();
54*0Sstevel@tonic-gate extern int ibmf_saa_impl_fini();
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate #ifndef	NPROBE
57*0Sstevel@tonic-gate extern int tnf_mod_load(void);
58*0Sstevel@tonic-gate extern int tnf_mod_unload(struct modlinkage *mlp);
59*0Sstevel@tonic-gate #endif
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate int
_init()62*0Sstevel@tonic-gate _init()
63*0Sstevel@tonic-gate {
64*0Sstevel@tonic-gate 	int status;
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 	/* CONSTCOND */
67*0Sstevel@tonic-gate 	ASSERT(NO_COMPETING_THREADS);
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate #ifndef	NPROBE
70*0Sstevel@tonic-gate 	(void) tnf_mod_load();
71*0Sstevel@tonic-gate #endif
72*0Sstevel@tonic-gate 	ibmf_statep = &ibmf_state;
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate 	/*
75*0Sstevel@tonic-gate 	 * call ibmf_saa_init first so it can set up subnet list before being
76*0Sstevel@tonic-gate 	 * contacted with ibt_async events
77*0Sstevel@tonic-gate 	 */
78*0Sstevel@tonic-gate 	status = ibmf_saa_impl_init();
79*0Sstevel@tonic-gate 	if (status != IBMF_SUCCESS) {
80*0Sstevel@tonic-gate 		TNF_PROBE_1(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
81*0Sstevel@tonic-gate 		    "ibmf_saa_impl_init failed");
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #ifndef	NPROBE
84*0Sstevel@tonic-gate 		(void) tnf_mod_unload(&ibmf_modlinkage);
85*0Sstevel@tonic-gate #endif
86*0Sstevel@tonic-gate 		return (EACCES);
87*0Sstevel@tonic-gate 	}
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate 	status = ibmf_init();
92*0Sstevel@tonic-gate 	if (status != 0) {
93*0Sstevel@tonic-gate 		TNF_PROBE_1(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
94*0Sstevel@tonic-gate 		    "ibmf_init failed");
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 		(void) ibmf_saa_impl_fini();
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate #ifndef	NPROBE
99*0Sstevel@tonic-gate 		(void) tnf_mod_unload(&ibmf_modlinkage);
100*0Sstevel@tonic-gate #endif
101*0Sstevel@tonic-gate 		return (EACCES);
102*0Sstevel@tonic-gate 	}
103*0Sstevel@tonic-gate 
104*0Sstevel@tonic-gate 	status = mod_install(&ibmf_modlinkage);
105*0Sstevel@tonic-gate 	if (status != 0) {
106*0Sstevel@tonic-gate 		TNF_PROBE_2(_init_error, IBMF_TNF_ERROR, "", tnf_string, msg,
107*0Sstevel@tonic-gate 		    "mod_install failed", tnf_uint, status, status);
108*0Sstevel@tonic-gate #ifndef NPROBE
109*0Sstevel@tonic-gate 		(void) tnf_mod_unload(&ibmf_modlinkage);
110*0Sstevel@tonic-gate #endif
111*0Sstevel@tonic-gate 		(void) ibmf_fini();
112*0Sstevel@tonic-gate 		ibmf_statep = (ibmf_state_t *)NULL;
113*0Sstevel@tonic-gate 	}
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate 	return (status);
116*0Sstevel@tonic-gate }
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate int
_info(struct modinfo * modinfop)119*0Sstevel@tonic-gate _info(struct modinfo *modinfop)
120*0Sstevel@tonic-gate {
121*0Sstevel@tonic-gate 	return (mod_info(&ibmf_modlinkage, modinfop));
122*0Sstevel@tonic-gate }
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate int
_fini()125*0Sstevel@tonic-gate _fini()
126*0Sstevel@tonic-gate {
127*0Sstevel@tonic-gate 	int status;
128*0Sstevel@tonic-gate 	status = mod_remove(&ibmf_modlinkage);
129*0Sstevel@tonic-gate 	if (status != 0) {
130*0Sstevel@tonic-gate 		TNF_PROBE_2(_fini_error, IBMF_TNF_ERROR, "", tnf_string, msg,
131*0Sstevel@tonic-gate 		    "mod_remove failed", tnf_uint, status, status);
132*0Sstevel@tonic-gate 		return (status);
133*0Sstevel@tonic-gate 	}
134*0Sstevel@tonic-gate 
135*0Sstevel@tonic-gate 	status = ibmf_saa_impl_fini();
136*0Sstevel@tonic-gate 	if (status != 0) {
137*0Sstevel@tonic-gate 
138*0Sstevel@tonic-gate 		TNF_PROBE_2(_fini_error, IBMF_TNF_ERROR, "", tnf_string, msg,
139*0Sstevel@tonic-gate 		    "ibmf_saa fini failed", tnf_uint, status, status);
140*0Sstevel@tonic-gate 		return (status);
141*0Sstevel@tonic-gate 	}
142*0Sstevel@tonic-gate 
143*0Sstevel@tonic-gate 	(void) ibmf_fini();
144*0Sstevel@tonic-gate 	ibmf_statep = (ibmf_state_t *)NULL;
145*0Sstevel@tonic-gate #ifndef	NPROBE
146*0Sstevel@tonic-gate 	(void) tnf_mod_unload(&ibmf_modlinkage);
147*0Sstevel@tonic-gate #endif
148*0Sstevel@tonic-gate 	return (status);
149*0Sstevel@tonic-gate }
150